restitutive vs therapeutic

restitutive

adj
  • Of or pertaining to restitution; tending to restore to a previous state. 

therapeutic

adj
  • Of, or relating to therapy. 

  • Having a positive effect on the body or mind. 

noun
  • A therapeutic agent 

How often have the words restitutive and therapeutic occurred in a corpus of books? (source: Google Ngram Viewer )